General Electric Co. v. Hill-Wright Electric Co.
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Southern District of New York. Suit by the General Electric Company against the Tlill-Wright Electric Company.
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Appeal from the Circuit Court of the United States for the Southern District of New York. Suit by the General Electric Company against the Tlill-Wright Electric Company. From a decree of the Circuit Court of the United States for the Southern District of New York, dismissing complainant’s bill for infringement of letters patent No. 72(5,293, dated April 28,1903, to John W. Howell complainant’s assignor, for a new method of exhausting incandescent lamps (170 Fed. 189), complainant appeals. The patent was held valid on demurrer in General Electric Company v. Campbell (C. C.) 137 Eed. 600.
1Opinion of the Court
COXE, Circuit Judge.
The inventor states at the outset that his method is an improvement upon the well-known chemical processes of exhausting the bulb. These processes require the expenditure of considerable time in order to secure the desired perfection in the vacuum necessary to preserve the filament for any extended period. They introduced in the tube of the vacuum inclosure a chemical which will readily combine when heated with the remnant of gases which are released during the final incandescence of the filament.
In the ordinary way of using these processes the selected chemical is placed…
2Cases cited1 opinion
- Malignani v. Germania Electric Lamp Co.U.S. Circuit Court for the District of New Jersey · 1909
3Cited by8 opinions
- Craft-Stone, Inc. v. Zenitherm Co.Court of Appeals for the Third Circuit · 1927
- Kelley v. CoeCourt of Appeals for the D.C. Circuit · 1938
- Samuel M. Langston Co. v. F. X. Hooper Co.District Court, D. Maryland · 1934
- Aurora Mantle & Lamp Co. v. KaufmannCourt of Appeals for the Seventh Circuit · 1917
- Malignani v. Hill-Wright Electric Co.District Court, S.D. New York · 1910
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